Hi there my name is Corey I'm new to this, I have a mk4 golf 18t gti aum iv had a code come up p0102 mass air flow sensor g70 signal to low the car is standard apart from a stainless which has been on 4 years and never had problems could anyone tell me is it new maf or could it be anything else I did steam clean engine bay a week or so ago many thanks in advance
